What does a Computer Do Well?  Intelligence amplifier  amplifies our ability to perform mental activities  “power tools” for the mind  Can process much more information  Does repetitive tasks quickly and correctly  Check things more quickly  Removes people from boring tasks  Manipulates forms and data

What a Computer Does  Very simple machine: executes exactly what it is told  Executes instructions that define algorithms  Instructions stored in the computer are the software  We can change them  Instructions deal with holders of data, not the data itself  Gives them the ability to deal with any data  Makes computers the most adaptable tool

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The Internet  What is it?  The infrastructure that connects identified computers  Links = the wires  Routers = the boxes that connect them  World Wide Web  Computers that contain information to be shared  Servers

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